Update conda

$ conda update conda

Create a yml file, use a name and dependencies. Example:

File: env_py_3.7.6.yml

Contents of this file:

name: awesome_name
- python=3.7.6
- jupyter

Create the environment using this file:

$ conda env create --file env_py_3.7.6.yml
$ conda activate awesome_name

Check Python version

$ which python
$ python -V

Run Jupyter Notebook:

$ jupyter notebook

If this doesn’t work. Try it like this:

$ jupyter notebook --ip=

Cell timer for Jupyter notebook

As seen here

$ pip install jupyter_contrib_nbextensions
$ jupyter contrib nbextension install --user
$ jupyter nbextension enable execute_time/ExecuteTime